1056351856 has 20 divisors (see below), whose sum is σ = 2339065072. Its totient is φ = 452722176.

The previous prime is 1056351847. The next prime is 1056351869. The reversal of 1056351856 is 6581536501.

It is a super-3 number, since 3×1056351856³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715745 + ... + 4715968.

Almost surely, 2^1056351856 is an apocalyptic number.

1056351856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1056351856 is an abundant number, since it is smaller than the sum of its proper divisors (1282713216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056351856 is an equidigital number, since it uses as much as digits as its factorization.

1056351856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431728 (or 9431722 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 1056351856 is about 32501.5669776089. The cubic root of 1056351856 is about 1018.4417627153.

The spelling of 1056351856 in words is "one billion, fifty-six million, three hundred fifty-one thousand, eight hundred fifty-six".